OpenTechnical

OT-2026-000042654

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000042654) never changes.

Identity and time

Publication numberOT-2026-000042654 · never reused
Internal UUID01a0ae7a-c0ce-716b-8249-d14d76270ca5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042654
StatusPUBLIC

Content hashes

Canonical textc7c9bd479da5888e66d06cc9b7ad7abfef86afd053beec7e68eb64804647ee87
Markdownac972d1b9859d7cc7b952cd863ba834968633702913ff04cde22f88cd2c3a125
PDF
Publication page23e8597192ee51045b96a106f24fe1ea395ab0d3f8c67004b6d60918dba5614d
Manifest063d5c2835c7c09f0b74dbfcc43fbdcdbdf7a417366fce5e14a79e84e357ae49

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature4Di0tDvOg71hYcnPWfTjXPPP5f/OBCluEmjHX6oC9yGtP1TmFMb5eKDCezkEnocQWnZcYIp/rAtdS47zCD4aDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:14:23.734612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042654
observed 23e8597192ee51045b96a106f24fe1ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.714806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042654/manifest.json
observed 063d5c2835c7c09f0b74dbfcc43fbdcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.692937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042654/publication.md
observed ac972d1b9859d7cc7b952cd863ba8349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.673361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042654/publication.txt
observed c7c9bd479da5888e66d06cc9b7ad7abf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.